update readme with github.io link

Author: uhager

README.md

@@ -2,8 +2,6 @@ Analyzer for SHARC / TIGRESS data.
 
 Converts MIDAS files into ROOT format, plots histograms, applies cuts, sorts data.
 
-Requires rootana https://midas.triumf.ca/MidasWiki/index.php/ROOTANA .
-
-For instructions see http://trshare.triumf.ca/~ulrike/tigress-tigsort.php .
+For instructions see http://uhager.github.io/TigSortGUI/.
 
 Written mostly 2010/2011, might not work on recent data (I don't know the new data format).